/* =========================================================
   Fontlar — kendi sunucumuzda barındırılıyor (Google'a bağlanılmıyor).
   Türkçe için latin + latin-ext alt kümesine indirgenmiş woff2 dosyaları.
   ========================================================= */
@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Inter Tight";
  src: url("fonts/inter-tight-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Inter Tight";
  src: url("fonts/inter-tight-600.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

/* =========================================================
   ACR Bilgi Sistemleri — Tasarım Sistemi
   Marka renklerini değiştirmek için sadece :root bloğunu düzenleyin.
   ========================================================= */

:root {
  /* Renk paleti */
  --ink:      #0B1220;   /* ana metin / koyu zemin */
  --ink-2:    #16223A;   /* koyu zemin varyantı */
  --slate:    #4A5B72;   /* ikincil metin */
  --paper:    #FFFFFF;
  --mist:     #F1F5F9;   /* açık bölüm zemini */
  --line:     #DCE3EB;   /* hairline çizgiler */
  --brand:    #0683E3;   /* Logodan alınan ACR mavisi */
  --brand-ink:#0A6BC0;   /* metin ve butonlar için erişilebilir koyu ton (WCAG AA) */
  --brand-dk: #075696;   /* hover */
  --signal:   #F4B740;   /* vurgu / "ray" işaretleri */

  /* Tipografi */
  --display: "Archivo", "Segoe UI", system-ui, sans-serif;
  --body:    "Inter Tight", "Segoe UI", system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Ölçek */
  --container: 1160px;
  --gap: 24px;
  --r: 8px;
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--slate);
  background: var(--paper);
  font-synthesis-weight: none;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--brand-ink); outline-offset: 3px; border-radius: 3px; }

h1, h2, h3, h4 {
  font-family: var(--display);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 5.2vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; }
p  { margin: 0 0 1.1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }
strong { color: var(--ink); font-weight: 600; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: 84px 0; }
.section--mist { background: var(--mist); }
.section--ink { background: var(--ink); color: #A9B8CC; }
.section--ink h2, .section--ink h3 { color: #fff; }
.lede { font-size: 1.16rem; max-width: 62ch; }

/* ---------- İmza öğe: "ray" (ledger rail) ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 3px;
  background: var(--signal);
  flex: none;
}
.section--ink .eyebrow { color: #8FA3BD; }

.rail {
  height: 1px;
  background: var(--line);
  position: relative;
  margin: 0 0 44px;
}
.rail::after {
  content: "";
  position: absolute; left: 0; top: -1px;
  width: 72px; height: 3px;
  background: var(--signal);
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--body); font-size: .97rem; font-weight: 600;
  padding: 13px 24px; border-radius: var(--r);
  border: 1.5px solid transparent; cursor: pointer;
  transition: background .18s, border-color .18s, color .18s, transform .18s;
  text-decoration: none !important;
}
.btn--primary { background: var(--brand-ink); color: #fff; }
.btn--primary:hover { background: var(--brand-dk); transform: translateY(-1px); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: var(--paper); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--wa { background: #1F9D55; color: #fff; }
.btn--wa:hover { background: #178043; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* ---------- Üst bar + header ---------- */
.topbar {
  background: var(--ink); color: #93A5BD;
  font-size: .82rem; font-family: var(--mono); letter-spacing: .02em;
}
.topbar .container { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; padding-block: 9px; }
.topbar a { color: #C6D3E4; }
.topbar .spacer { margin-left: auto; }

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; gap: 20px; padding-block: 14px; }

/* Logo — assets/logo.png (koyu zeminde logo-white.png) */
.logo { display: inline-flex; align-items: center; text-decoration: none !important; flex: none; }
.logo img { width: 168px; height: auto; }
@media (max-width: 420px) { .logo img { width: 138px; } }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a:not(.btn) {
  color: var(--ink); font-size: .95rem; font-weight: 600;
  padding: 9px 13px; border-radius: 6px; text-decoration: none !important;
}
.nav a:not(.btn):hover { background: var(--mist); }
.nav a:not(.btn)[aria-current="page"] { color: var(--brand-ink); font-weight: 600; }
.nav .btn { margin-left: 8px; color: #fff; }

.nav-toggle {
  display: none; margin-left: auto; background: none; border: 1.5px solid var(--line);
  border-radius: 6px; padding: 9px 11px; cursor: pointer;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px 0; }

@media (max-width: 940px) {
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 12px 24px 20px; gap: 2px;
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) { padding: 12px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav .btn { margin: 12px 0 0; justify-content: center; border-bottom: 0; color: #fff; }
  .topbar .container { font-size: .74rem; }
}

/* ---------- Breadcrumb ---------- */
.crumbs { font-size: .84rem; font-family: var(--mono); padding: 18px 0 0; color: var(--slate); }
.crumbs a { color: var(--slate); }
.crumbs span { opacity: .5; margin: 0 7px; }

/* ---------- Hero ---------- */
.hero { padding: 68px 0 76px; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero p.lede { color: var(--slate); }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; gap: 40px; } }

.hero--inner { padding: 52px 0 40px; }
.hero--inner h1 { max-width: 20ch; }

/* Modül tablosu — hero görseli (saf CSS, görsel dosyası yok = hızlı) */
.board {
  border: 1px solid var(--line); border-radius: 12px; background: var(--paper);
  overflow: hidden; box-shadow: 0 18px 44px -28px rgba(11,18,32,.35);
}
.board__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; background: var(--ink); color: #fff;
  font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
}
.board__bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); flex: none; }
.board__grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.board__cell { padding: 17px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.board__cell:nth-child(2n) { border-right: 0; }
.board__cell:nth-last-child(-n+2) { border-bottom: 0; }
.board__k { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--slate); }
.board__v { font-family: var(--display); font-weight: 700; font-size: 1.02rem; color: var(--ink); margin-top: 3px; }
.board__foot {
  border-top: 1px solid var(--line); background: var(--mist);
  padding: 12px 16px; font-family: var(--mono); font-size: .72rem; color: var(--slate);
  display: flex; justify-content: space-between; gap: 12px;
}

/* ---------- İstatistik şeridi ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.stats > div { padding: 26px 20px 26px 0; border-right: 1px solid var(--line); }
.stats > div:last-child { border-right: 0; }
.stats > div:not(:first-child) { padding-left: 24px; }
.stats b {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.3rem); color: var(--ink);
  font-variant-numeric: tabular-nums; letter-spacing: -.03em;
}
.stats span { font-family: var(--mono); font-size: .73rem; letter-spacing: .1em; text-transform: uppercase; }
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats > div { border-bottom: 1px solid var(--line); padding-left: 0 !important; padding-right: 16px; }
  .stats > div:nth-child(2n) { border-right: 0; padding-left: 20px !important; }
}

/* ---------- Kartlar ---------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 940px) { .grid--4 { grid-template-columns: repeat(2, 1fr); } .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  padding: 26px 24px; position: relative; overflow: hidden;
  transition: border-color .2s, transform .2s;
  display: flex; flex-direction: column;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; height: 3px; width: 0;
  background: var(--signal); transition: width .28s ease;
}
.card:hover { border-color: #B9C6D6; transform: translateY(-2px); }
.card:hover::before { width: 100%; }
.card h3 { margin-bottom: .35em; }
.card p { font-size: .96rem; }
.card__link {
  margin-top: auto; padding-top: 16px; font-weight: 600; font-size: .93rem;
  display: inline-flex; align-items: center; gap: 6px;
}
.card__code { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; color: var(--slate); text-transform: uppercase; margin-bottom: 12px; }

/* ---------- Süreç (numaralı — gerçek bir sıra olduğu için) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.steps > li { list-style: none; padding: 28px 24px 28px 0; border-right: 1px solid var(--line); position: relative; }
.steps > li:last-child { border-right: 0; }
.steps > li:not(:first-child) { padding-left: 24px; }
.steps > li::before {
  content: ""; position: absolute; top: -1px; left: 0; width: 40px; height: 3px; background: var(--signal);
}
.steps > li:not(:first-child)::before { left: 24px; }
.step__n { font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; color: var(--brand-ink); font-weight: 500; }
.steps h3 { font-size: 1.1rem; margin: 8px 0 .4em; }
.steps p { font-size: .94rem; }
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; }
  .steps > li { border-right: 0; border-bottom: 1px solid var(--line); padding-left: 0 !important; }
  .steps > li::before { left: 0 !important; }
}

/* ---------- Liste ---------- */
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.ticks li { position: relative; padding-left: 28px; font-size: .99rem; }
.ticks li::before {
  content: ""; position: absolute; left: 4px; top: .55em;
  width: 9px; height: 9px; border-radius: 2px; background: var(--signal);
}
.ticks--2 { grid-template-columns: repeat(2, 1fr); gap: 11px 28px; }
@media (max-width: 640px) { .ticks--2 { grid-template-columns: 1fr; } }

/* ---------- Prose (uzun metin blokları) ---------- */
.prose { max-width: 74ch; }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.5em; }
.prose > :first-child { margin-top: 0; }
.split { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } }

/* Yan kutu */
.aside {
  border: 1px solid var(--line); border-radius: 10px; padding: 24px; background: var(--mist);
  position: sticky; top: 96px;
}
.aside h3 { font-size: 1.08rem; }
.aside p { font-size: .94rem; }
@media (max-width: 900px) { .aside { position: static; } }

/* ---------- SSS ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative;
  font-family: var(--display); font-weight: 700; font-size: 1.05rem; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: 1.35rem; color: var(--brand-ink); line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 40px 22px 0; font-size: .99rem; max-width: 76ch; }

/* ---------- CTA bandı ---------- */
.cta { background: var(--ink); color: #A9B8CC; padding: 62px 0; }
.cta__in { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { color: #fff; margin-bottom: .3em; }
.cta p { max-width: 52ch; margin: 0; }

/* ---------- Form ---------- */
.form { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
.form .full { grid-column: 1 / -1; }
.field label {
  display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .11em;
  text-transform: uppercase; color: var(--slate); margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--body); font-size: 1rem; color: var(--ink);
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--r);
  background: var(--paper);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand-ink); outline: none; }
.field textarea { min-height: 130px; resize: vertical; }
.form .note { font-size: .85rem; color: var(--slate); }
@media (max-width: 640px) { .form { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #8FA3BD; padding: 62px 0 0; font-size: .95rem; }
.site-footer a { color: #C6D3E4; }
.site-footer h4 {
  color: #fff; font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; font-weight: 500; margin-bottom: 16px;
}
.foot__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.foot__grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.foot__bottom {
  margin-top: 52px; border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--mono); font-size: .76rem;
}
.social { display: flex; gap: 10px; margin-top: 18px; }
.social a {
  width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.18); border-radius: 7px;
  display: grid; place-items: center; font-size: .72rem; font-family: var(--mono);
  text-decoration: none !important; transition: background .18s, border-color .18s;
}
.social a:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
@media (max-width: 900px) { .foot__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
@media (max-width: 560px) { .foot__grid { grid-template-columns: 1fr; } }

/* ---------- Sabit WhatsApp ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  width: 54px; height: 54px; border-radius: 50%; background: #1F9D55; color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 26px -8px rgba(31,157,85,.7);
  text-decoration: none !important;
}
.wa-float:hover { background: #178043; }

/* ---------- Hareket ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Erişilebilirlik: içeriğe geç ---------- */
.skip:focus {
  position: fixed !important; left: 16px !important; top: 16px;
  background: var(--brand-ink); color: #fff; padding: 12px 18px;
  border-radius: 6px; z-index: 200; font-weight: 600;
}
.crumbs b { color: var(--ink); font-weight: 500; }

/* ---------- Ekip: künye tablosu ----------
   Monogramlar logodaki mavi dikdörtgen işaretini tekrar eder. */
.roster {
  border: 1px solid var(--line); border-radius: 10px; background: var(--paper);
  display: grid; grid-template-columns: 1fr 1fr; overflow: hidden;
}
.roster > article {
  display: flex; align-items: center; gap: 18px;
  padding: 22px 26px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  transition: background .18s;
}
.roster > article:nth-child(2n) { border-right: 0; }
.roster > article:nth-last-child(-n+2) { border-bottom: 0; }
.roster > article:hover { background: var(--mist); }

.person__mark {
  flex: none; width: 54px; height: 46px; border-radius: 4px;
  display: grid; place-items: center; object-fit: cover;
  background: var(--ink); color: #fff;
  font-family: var(--display); font-weight: 700; font-size: 1.02rem; letter-spacing: -.01em;
}
.person__mark--lead { background: var(--brand); }

.person__name {
  font-family: var(--display); font-weight: 700; font-size: 1.08rem;
  color: var(--ink); letter-spacing: -.02em; margin: 0 0 3px; line-height: 1.2;
}
.person__role {
  font-family: var(--mono); font-size: .71rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--slate); margin: 0; line-height: 1.45;
}

@media (max-width: 860px) {
  .roster { grid-template-columns: 1fr; }
  .roster > article { border-right: 0; }
  .roster > article:nth-last-child(2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 400px) {
  .roster > article { padding: 20px; gap: 14px; }
  .person__mark { width: 48px; height: 42px; font-size: .92rem; }
}

/* ---------- Vaka çalışmaları ---------- */
.cases { display: grid; gap: 20px; }

.case {
  display: grid; grid-template-columns: 268px 1fr;
  border: 1px solid var(--line); border-radius: 10px; background: var(--paper);
  overflow: hidden; transition: border-color .2s;
}
.case:hover { border-color: #B9C6D6; }

.case__metric {
  background: var(--mist); border-right: 1px solid var(--line);
  padding: 30px 28px; display: flex; flex-direction: column; justify-content: center;
  position: relative;
}
.case__metric::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--signal);
}
.case__value {
  font-family: var(--display); font-weight: 700; color: var(--ink);
  font-size: clamp(1.9rem, 3.1vw, 2.6rem); line-height: 1.05;
  letter-spacing: -.035em; font-variant-numeric: tabular-nums;
  margin: 0 0 10px; text-wrap: balance;
}
.case__label {
  font-family: var(--mono); font-size: .71rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--slate); margin: 0; line-height: 1.5;
}

.case__body { padding: 28px 30px; }
.case__tag {
  font-family: var(--mono); font-size: .71rem; letter-spacing: .11em;
  text-transform: uppercase; color: var(--brand-ink); margin: 0 0 10px;
}
.case__tag em { font-style: normal; color: var(--slate); }
.case__tag em::before { content: "·"; margin: 0 8px; opacity: .55; }
.case__body h3 { font-size: 1.22rem; margin-bottom: .1em; }

.case__part { margin-top: 18px; }
.case__part > b {
  display: block; font-family: var(--mono); font-weight: 500;
  font-size: .68rem; letter-spacing: .13em; text-transform: uppercase;
  color: var(--slate); margin-bottom: 6px;
}
.case__part p { font-size: .97rem; margin: 0; }
.case__part .ticks li { font-size: .96rem; }

@media (max-width: 820px) {
  .case { grid-template-columns: 1fr; }
  .case__metric {
    border-right: 0; border-bottom: 1px solid var(--line);
    padding: 24px 26px; flex-direction: row; align-items: baseline; gap: 16px;
  }
  .case__value { margin: 0; font-size: 1.75rem; }
  .case__label { flex: 1; }
  .case__body { padding: 24px 26px; }
}

/* ---------- Hukuki sayfalar ---------- */
.legal h2 {
  font-size: clamp(1.25rem, 2.1vw, 1.55rem);
  margin-top: 2.2em; padding-top: 1.1em; border-top: 1px solid var(--line);
  position: relative;
}
.legal h2::before {
  content: ""; position: absolute; top: -1px; left: 0;
  width: 44px; height: 3px; background: var(--signal);
}
.legal > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.legal > h2:first-child::before { display: none; }
.legal h3 {
  font-size: 1.02rem; margin-top: 1.6em; margin-bottom: .6em;
  font-family: var(--mono); font-weight: 500; letter-spacing: .06em;
  text-transform: uppercase; color: var(--slate);
}
.legal .ticks { margin-top: 4px; }

.legal__date {
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--slate); line-height: 1.9;
}
.legal__date b { color: var(--ink); font-weight: 500; }
